[单选题]

If an electric cargo winch is being used to lift a draft of cargo and the engine room loses all power，which will occur?（）

A . A pawl，forced by a spring mechanism，will engage the teeth of the bull gear and hold the load

B . An electromagnetic brake will hold the load where it is suspended

C . The load will fall rapidly to the deck unless the foot brake is engaged

D . The load will slowly lower to the deck under control of the drag of the winch motor

参考答案与解析：

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